i think he's mixing apples and oranges and grapes. i'm not quite sure what he's saying here. >> some are saying the fact that they were muslim is not at all relevant. i don't agree. listen obviously tamerlan was influenced by his interpretation of fundamentalist islam right? on the other hand, what are you supposed to do about it. bob beckel said let's not allow student visas. there are 75,000 students that come in, only five ever linked to terrorist attacks. those are some pretty bad numbers if you want to disdiscriminate. what are you supposed to do with that knowledge? >> before we establish what we're to do to prevent future incidents like the boston bombing, we have to firmly establish whether this was a terror-related incident, or livinged to al-qaeda. once we establish that, then we'll be ail to determine what the appropriate response is. right now we're in this gray area where it looks like there may have been something of a loan wolf somewhat inspired by terror-related individuals or publications, so we have to first firmly e